Elementary school science 5 Teacher's guide.

書目詳細資料
企業作者:	University of the Philippines (Quezon City) Science Education Center
格式:	圖書
語言:	英语
出版:	Quezon City SEC, UP 1976.
版:	2nd experimental ed.
主題:	Science > Problems, questions, exercises. Science > Study and teaching (Elementary)